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field, in physics
(Encyclopedia)field, in physics, region throughout which a force may be exerted; examples are the gravitational, electric, and magnetic fields that surround, respectively, masses, electric charges, and magnets. The...fife, in music
(Encyclopedia)fife, small transverse flute with six to eight finger holes adopted for military music by Swiss regiments serving in France in the late 15th cent. The fife was used in the British army until the end o...America, in geography
(Encyclopedia)America [for Amerigo Vespucci], the lands of the Western Hemisphere—North America, Central (or Middle) America, and South America. The world map published in 1507 by Martin Waldseemüller is the fir...America, in music
(Encyclopedia)America, in music, a patriotic hymn of the United States. The words (beginning “My country, 'tis of thee”) were written in 1832 by Samuel Francis Smith while he was a theological student in Andove...farming, in taxation
(Encyclopedia)farming, in the history of taxation, collection of taxes through private contractors. Usually, the tax farmer paid a lump sum to the public treasury; the difference between that sum and the sum actual...fatigue, in engineering
(Encyclopedia)fatigue, in engineering, microscopic cracking of materials, especially metals, after repeated applications of stress. Fissures may be formed within pieces of metal during their manufacture when, while...fatigue, in physiology
(Encyclopedia)fatigue, in physiology, inability to perform reasonable and necessary physical or mental activity. Muscle fatigue, for example, results when the contractile properties of muscle are reduced, and conti...foot, in anatomy
(Encyclopedia) CE5 Foot foot, in anatomy, terminal part of the land vertebrate leg. The term is also applied to any invertebrate appendage used either for locomotion or attachment, e.g., the legs of insects and ...forgery, in art
(Encyclopedia)forgery, in art, the false claim to authenticity for a work of art. A forger often unconsciously produces a confusion of styles or subtly accents elements reflecting contemporary bias. A major examp...formula, in chemistry
(Encyclopedia)formula, in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions....Browse by Subject
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